.banner {
    // height: 500px;
}
.swiper-container {
    width: 100%;
    height: auto;
    margin-top: 50px;
    position: relative;
    img{
        height: 500px;
    }
    .btn {
        // color: red;
        height: 100%;
        margin-top: -200px;
        width: 300px;
        // font-size: 1000px;
        i {
            width: 200px;
            height: 200px;
            display: block;
            font-size: 100px;
        }
    }
    .hide {
        opacity: 0;
    }
    .swiper-button-next,
    .swiper-button-prev {
        transition: opacity 0.5s;
    }
    .swiper-pagination-bullet {
        border-radius: 0;
        width: 100px;
    }
    // 这是未选中的点点设置  opacity 是透明度,
    .swiper-pagination-bullet-active {
        background-color: red;
    }
    // 是当前选中的点点的设置   opacity 是透明度
}
.category {
    background: rgba(0, 0, 0, 0.6);
    z-index: 99;
    list-style-type: none;
    position: absolute;
    padding-top: 25px;
    padding-bottom: 26px;
    top: 0;
    // left: 383px;
    left: 50%;
    margin-left: -570px;
    li {
        width: 180px;
        padding-left: 25px;
        padding-right: 25px;
        line-height: 50px;

        &:hover {
            background-color: red;
        }
        &:hover .lie {
            display: block;
        }
        a {
            color: #fff;
        }
        i {
            float: right;
        }
    }
    .lie {
        position: absolute;
        top: 0;
        left: 230px;
        height: 100%;
        background-color: #fff;
        display: none;
        a {
            height: 30px;
            display: block;
            position: relative;
            width:300px;
                img{
                    margin-top: 20px;
                    width: 50px;
                    height: 50px;
                }
                span{
                    position: absolute;
                    height: 50px;
                    margin-left: -30px;
                    float: right;
                    top: 0;
                    left: 50%;
                    color: black;
                }
        }
    }
}
